强烈建议使用2.3.0版本的一定要升级到2.3.1

Lucene 2.3.1 contains fixes for serious bugs in 2.3.0

Please upgrade to 2.3.1 if you are currently using 2.3.0 to prevent index corruptions.

Binary and source distributions are available here.

详细的Bugfixes
    
1. LUCENE-1168: Fixed corruption cases when autoCommit=false and
    documents have mixed term vectors (Suresh Guvvala via Mike
    McCandless).

2. LUCENE-1171: Fixed some cases where OOM errors could cause
    deadlock in IndexWriter (Mike McCandless).

3. LUCENE-1173: Fixed corruption case when autoCommit=false and bulk
    merging of stored fields is used (Yonik via Mike McCandless).

4. LUCENE-1163: Fixed bug in CharArraySet.contains(char[] buffer, int
    offset, int len) that was ignoring offset and thus giving the
    wrong answer.  (Thomas Peuss via Mike McCandless)

5. LUCENE-1177: Fix rare case where IndexWriter.optimize might do too
    many merges at the end.  (Mike McCandless)

6. LUCENE-1176: Fix corruption case when documents with no term
    vector fields are added before documents with term vector fields.
    (Mike McCandless)

7. LUCENE-1179: Fixed assert statement that was incorrectly
    preventing Fields with empty-string field name from working.
    (Sergey Kabashnyuk via Mike McCandless)